[dconf-editor] Create ModificationsRevealer on construct.

[Arnaud B. <arnaudb src gnome org>]

commit e98285569c86f5cde2bcab30233a9427d08d1b21
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri Nov 30 05:48:16 2018 +0100

    Create ModificationsRevealer on construct.

 editor/dconf-editor.ui   |  7 +------
 editor/dconf-window.vala | 10 +++++++---
 2 files changed, 8 insertions(+), 9 deletions(-)
---
diff --git a/editor/dconf-editor.ui b/editor/dconf-editor.ui
index 5b87c72..a99d480 100644
--- a/editor/dconf-editor.ui
+++ b/editor/dconf-editor.ui
@@ -23,7 +23,7 @@
       <object class="GtkOverlay">
         <property name="visible">True</property>
         <child>
-          <object class="GtkGrid">
+          <object class="GtkGrid" id="main_grid">
             <property name="visible">True</property>
             <property name="orientation">vertical</property>
             <child>
@@ -33,11 +33,6 @@
                 <signal name="bookmarks-selection-changed" handler="on_bookmarks_selection_changed"/>
               </object>
             </child>
-            <child>
-              <object class="ModificationsRevealer" id="revealer">
-                <property name="visible">True</property>
-              </object>
-            </child>
           </object>
         </child>
         <child type="overlay">
diff --git a/editor/dconf-window.vala b/editor/dconf-window.vala
index 8bce241..ca1c1dd 100644
--- a/editor/dconf-window.vala
+++ b/editor/dconf-window.vala
@@ -104,12 +104,12 @@ private class DConfWindow : AdaptativeWindow, AdaptativeWidget
     private GLib.Settings settings = new GLib.Settings ("ca.desrt.dconf-editor.Settings");
 
     [GtkChild] private BrowserHeaderBar headerbar;
-
     [GtkChild] private BrowserView browser_view;
-    [GtkChild] private ModificationsRevealer revealer;
-
     [GtkChild] private NotificationsRevealer notifications_revealer;
 
+    [GtkChild] private Grid main_grid;
+    private ModificationsRevealer revealer;
+
     private ulong use_shortpaths_changed_handler = 0;
     private ulong behaviour_changed_handler = 0;
 
@@ -123,6 +123,10 @@ private class DConfWindow : AdaptativeWindow, AdaptativeWidget
     {
         context = get_style_context ();
 
+        revealer = new ModificationsRevealer ();
+        revealer.visible = true;
+        main_grid.add (revealer);
+
         adaptative_children.append (headerbar);
         adaptative_children.append (browser_view);
         adaptative_children.append (revealer);